Subtract 12/60 from 12/72
12/72 - 12/60 is -1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
12/60 = 12 × 6/60 × 6 = 72/360 - Subtract the two like fractions:
60/360 - 72/360 = 60 - 72/360 = -12/360 - After reducing the fraction, the answer is -1/30
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